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Material is fed into the crusher via an apron feeder, push feeder or similar device.Fine particles in the feed are screened out by the integrated static grizzly and bypassed through the crusher housing, while coarse particles are transferred into the crushing chamber.A rotating eccentric shaft, axially guided by two sets of roller bearings mounted in the crusher housing, generates an oscillating movement in the freely rotatable, horizontally arranged crusher roll.
Generally, the gap between the locking ring and the adjusting ring of the newly installed crusher is 12.5 mm.Therefore, according to the wear condition of the adjusting ring and the locking ring thread, the gap between the two can be appropriately increased to increase the locking force.
The distance and height between the feeder and the crusher are often determined by the materials nature and the crushers crushing capacity and performance.The feeder also has an angle with the horizontal plane in order to better control the flow of materials and the thickness of the material layer.
Jaw crushers used heavily in the mining industry, often incorporate keyways and/or expensive sweat or press fit connections.Using traditional keyed connections introduces several compromises.Whenever a shaft is keyed, it must be oversized to account for the loss of effective cross section.This adds weight and cost not only to the shaft, but to every component on the shaft.Keyways cause fretting corrosion, allow backlash, do not transmit bending moments or axial loads.
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